19311880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 51710400

約数和(自身を除く): 32398520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 59, 70, 98, 118, 140, 167, 196, 236, 245, 280, 295, 334, 392, 413, 472, 490, 590, 668, 826, 835, 980, 1169, 1180, 1336, 1652, 1670, 1960, 2065, 2338, 2360, 2891, 3304, 3340, 4130, 4676, 5782, 5845, 6680, 8183, 8260, 9352, 9853, 11564, 11690, 14455, 16366, 16520, 19706, 23128, 23380, 28910, 32732, 39412, 40915, 46760, 49265, 57820, 65464, 68971, 78824, 81830, 98530, 115640, 137942, 163660, 197060, 275884, 327320, 344855, 394120, 482797, 551768, 689710, 965594, 1379420, 1931188, 2413985, 2758840, 3862376, 4827970, 9655940, 19311880]

約数ペア:

[(1, 19311880), (2, 9655940), (4, 4827970), (5, 3862376), (7, 2758840), (8, 2413985), (10, 1931188), (14, 1379420), (20, 965594), (28, 689710), (35, 551768), (40, 482797), (49, 394120), (56, 344855), (59, 327320), (70, 275884), (98, 197060), (118, 163660), (140, 137942), (167, 115640), (196, 98530), (236, 81830), (245, 78824), (280, 68971), (295, 65464), (334, 57820), (392, 49265), (413, 46760), (472, 40915), (490, 39412), (590, 32732), (668, 28910), (826, 23380), (835, 23128), (980, 19706), (1169, 16520), (1180, 16366), (1336, 14455), (1652, 11690), (1670, 11564), (1960, 9853), (2065, 9352), (2338, 8260), (2360, 8183), (2891, 6680), (3304, 5845), (3340, 5782), (4130, 4676)]